At least, I know.
"avnrao" <avn@newsgroups.com> wrote in message
news:Ou9oCIfWEHA.4032@TK2MSFTNGP11.phx.gbl...[color=blue]
> default DropDownList doesnt support this.
> you can write your custom control to do this which just writes out the
> required html.
>
> you can see the difficulty to implement it in DropDownList here
>
http://weblogs.asp.net/asmith/archiv.../30/29846.aspx
>
> Av.
> "EEEdiot" <EEEdiot@hotmail.com> wrote in message
> news:ic6dnVlfwpAtd0TdRVn2hA@giganews.com...[color=green]
> > Okay,
> >
> > I know to add content dynamically to web page file you can have
> > something like the following and it would add a whole bunch of <option>
> > items for the <select> list. How do you dynamically add <optgroup>[/color][/color]
items[color=blue][color=green]
> > and <options> under them?
> >
> > TIA!
> >
> > In ASPX file:
> > <%@ Page Language="VB" inherits="..." Src="... .vb"
> > AutoEventWireup="False"
> > %>
> > ...
> > <select style="WIDTH: 155px" id="lst_Currency" runat="server"></select>
> > ...
> >
> > In VB file:
> >
> > Imports ...
> >
> > Public Class ...
> >
> > Public Sub Page_Load(sender as Object, e as EventArgs) _
> > Handles MyBase.Load
> >
> > If Me.IsPostBack = False
> > lst_Currency.Items.Add(New ListItem("Euros", "0.6075"))
> > lst_Currency.Items.Add(New ListItem("Japanese Yen",
> > "79.7894"))
> > lst_Currency.Items.Add(New ListItem("US Dollars",
> > "0.7344"))
> > lst_Currency.Items.Add(New ListItem("Lower Slobovian
> > Dinars", "733.4939"))
> > End If
> > End Sub
> > End Class
> >
> >[/color]
>
>[/color]
